patch 9.0.1341: build error with mzscheme but without GUI
Problem: Build error with mzscheme but without GUI.
Solution: Adjust #ifdefs. (Ken Takata, closes #12042) Also fix function
argument.
diff --git a/src/proto/if_mzsch.pro b/src/proto/if_mzsch.pro
index 00bbf3c..26ffa77 100644
--- a/src/proto/if_mzsch.pro
+++ b/src/proto/if_mzsch.pro
@@ -1,7 +1,7 @@
/* if_mzsch.c */
int mzscheme_enabled(int verbose);
void mzvim_check_threads(void);
-char *did_set_mzquantum(void);
+char *did_set_mzquantum(optset_T *args);
void mzscheme_end(void);
int mzscheme_main(void);
void mzscheme_buffer_free(buf_T *buf);